An anthology of ten Call of Cthulhu scenarios, originally published in The Unspeakable Oath, issues 1-10.

From the back cover:

"Inside is a chilling collection of mysteries and revelations that will haunt even the most experienced Investigator... plus terrifying illustrations, detailed maps, and useful Player Aids."

Contents:
Within You Without You - John Tynes
The Travesty - Chris Klepac
The House on Stratford Lane - John H. Crowe, III
The Beast in the Abbey - Kevin A. Ross
The Lambton Worm - Steve Hatherly
Blood on the Tracks - J. Todd Kingrea
Dark Harvest - Kevin A. Ross
What Goes Around Comes Around - Jeff Moeller
All Good Children - Chris Klepac
In Media Res - John Tynes
Sample Character Sheet